feat(scripts): meteo

configs/alacritty.nix

@@ -1,46 +1,45 @@
 { pkgs, lib, config, ... }:
-let
-  inherit (import <niveum/lib>) colours;
-  colourNames =
-    [ "black" "red" "green" "yellow" "blue" "magenta" "cyan" "white" ];
-  colourPairs = lib.getAttrs colourNames colours;
-  alacrittyConfig = {
-    background_opacity = 0.9;
-    colors = {
-      primary = { inherit (colours) background foreground; };
-      normal = lib.mapAttrs (_: colour: colour.dark) colourPairs;
-      bright = lib.mapAttrs (_: colour: colour.bright) colourPairs;
-    };
-    font = {
-      normal.family = "Monospace";
-      size = 6;
-    };
-    key_bindings = [
-      {
-        key = "Add";
-        mods = "Control";
-        action = "IncreaseFontSize";
-      }
-      {
-        key = "Minus";
-        mods = "Control";
-        action = "DecreaseFontSize";
-      }
-      {
-        key = "Key0";
-        mods = "Control";
-        action = "ResetFontSize";
-      }
-    ];
-  };
-in {
+{
   environment.variables.TERMINAL = "alacritty";
 
   environment.systemPackages = [
     pkgs.alacritty
   ];
 
-  home-manager.users.me.xdg.configFile = {
-    "alacritty/alacritty.yml".text = builtins.toJSON alacrittyConfig;
+  home-manager.users.me.xdg.configFile =
+  let
+    inherit (import <niveum/lib>) colours;
+    colourNames = [ "black" "red" "green" "yellow" "blue" "magenta" "cyan" "white" ];
+    colourPairs = lib.getAttrs colourNames colours;
+  in {
+    "alacritty/alacritty.yml".source = (pkgs.formats.yaml {}).generate "alacritty.yml" {
+      background_opacity = 0.9;
+      colors = {
+        primary = { inherit (colours) background foreground; };
+        normal = lib.mapAttrs (_: colour: colour.dark) colourPairs;
+        bright = lib.mapAttrs (_: colour: colour.bright) colourPairs;
+      };
+      font = {
+        normal.family = "Monospace";
+        size = 6;
+      };
+      key_bindings = [
+        {
+          key = "Add";
+          mods = "Control";
+          action = "IncreaseFontSize";
+        }
+        {
+          key = "Minus";
+          mods = "Control";
+          action = "DecreaseFontSize";
+        }
+        {
+          key = "Key0";
+          mods = "Control";
+          action = "ResetFontSize";
+        }
+      ];
+    };
   };
 }

configs/cloud.nix

@@ -1,12 +1,10 @@
 { config, lib, pkgs, ... }: {
   imports = [
-    <niveum/modules/seafile.nix>
     <niveum/modules/dropbox.nix>
   ];
 
   niveum = {
     dropbox.enable = true;
-    seafile.enable = true;
   };
 
   system.activationScripts.home-symlinks = ''

configs/default.nix

@@ -36,7 +36,6 @@ in {
           (self: super: {
             scripts = import <niveum/packages/scripts> { pkgs = super; lib = super.lib; };
           })
-          (import <niveum/overlays/toml.nix>)
           (import <stockholm/krebs/5pkgs/haskell>)
           (import <stockholm/submodules/nix-writers/pkgs>)
           (import <stockholm/krebs/5pkgs/override>)
@@ -237,6 +236,7 @@ in {
     ./retiolum.nix
     ./rofi.nix
     ./spacetime.nix
+    ./seafile.nix
     ./ssh.nix
     ./sshd.nix
     ./sudo.nix

configs/i3.nix

@@ -143,7 +143,7 @@ in {
           };
         };
         statusCommand = "${pkgs.i3status-rust}/bin/i3status-rs ${
-            pkgs.writeTOML (import <niveum/lib/i3status-rust.nix> {
+            (pkgs.formats.toml {}).generate "i3status-rust.toml" (import <niveum/lib/i3status-rust.nix> {
               inherit (config.niveum) batteryName wirelessInterface;
               inherit colours;
               inherit pkgs;

configs/matterbridge.nix

@@ -1,47 +1,6 @@
 { pkgs, lib, ... }:
-let
-  bridgeBotToken = lib.strings.fileContents <system-secrets/telegram/kmein.token>;
-  config = {
-    general = {
-      RemoteNickFormat = "[{NICK}] ";
-      Charset = "utf-8";
-    };
-    telegram.kmein.Token = bridgeBotToken;
-    irc.freenode = {
-      Server = "irc.freenode.net:6667";
-      Nick = "ponte";
-      StripMarkdown = true;
-    };
-    mumble.lassulus = {
-      Server = "lassul.us:64738";
-      Nick = "krebs_bridge";
-      SkipTLSVerify = true;
-    };
-    gateway = [
-      {
-        name = "krebs-bridge";
-        enable = true;
-        inout = [
-          {
-            account = "irc.freenode";
-            channel = "#krebs";
-          }
-          {
-            account = "telegram.kmein";
-            channel = "-330372458";
-          }
-          {
-            account = "mumble.lassulus";
-            channel = 6; # "nixos"
-          }
-        ];
-      }
-    ];
-  };
-in
 {
   nixpkgs.overlays = [
-    (import <niveum/overlays/toml.nix>)
     (self: super: {
       matterbridge = (import (super.fetchFromGitHub {
         owner = "NixOS";
@@ -54,6 +13,44 @@ in
 
   services.matterbridge = {
     enable = true;
-    configPath = toString (pkgs.writeTOML config);
+    configPath =
+    let bridgeBotToken = lib.strings.fileContents <system-secrets/telegram/kmein.token>;
+    in toString ((pkgs.formats.toml {}).generate "config.toml" {
+      general = {
+        RemoteNickFormat = "[{NICK}] ";
+        Charset = "utf-8";
+      };
+      telegram.kmein.Token = bridgeBotToken;
+      irc.freenode = {
+        Server = "irc.freenode.net:6667";
+        Nick = "ponte";
+        StripMarkdown = true;
+      };
+      mumble.lassulus = {
+        Server = "lassul.us:64738";
+        Nick = "krebs_bridge";
+        SkipTLSVerify = true;
+      };
+      gateway = [
+        {
+          name = "krebs-bridge";
+          enable = true;
+          inout = [
+            {
+              account = "irc.freenode";
+              channel = "#krebs";
+            }
+            {
+              account = "telegram.kmein";
+              channel = "-330372458";
+            }
+            {
+              account = "mumble.lassulus";
+              channel = 6; # "nixos"
+            }
+          ];
+        }
+      ];
+    });
   };
 }

configs/mpd-fm.nix

@@ -47,7 +47,7 @@ in
   systemd.services.mpd-fm-stations =
   let
     stations = lib.lists.imap0 (id: {desc ? "", logo ? "https://picsum.photos/seed/${builtins.hashString "md5" stream}/300", stream, station}: { inherit id desc logo stream station; }) streams;
-    stationsJson = pkgs.writeText "stations.json" (builtins.toJSON stations);
+    stationsJson = (pkgs.formats.json {}).generate "stations.json" stations;
   in {
     wantedBy = [ "mpd-fm.service" ];
     startAt = "hourly";

configs/packages/default.nix

@@ -119,6 +119,7 @@ in {
     scripts.playlist
     scripts.devanagari
     scripts.betacode # ancient greek betacode to unicode converter
+    scripts.meteo
     nur.repos.kmein.mahlzeit
     # nur.repos.kmein.slide
     nur.repos.kmein.vimv

configs/packages/haskell/default.nix

@@ -10,8 +10,9 @@
     '';
     # :def unpl \x -> return $ ":!${pkgs.haskellPackages.pointful}/bin/pointful \"" ++ x ++ "\""
       # :def pl \x -> return $ ":!${pkgs.haskellPackages.pointfree}/bin/pointfree -v \"" ++ x ++ "\""
-    ".stack/config.yaml".text = let inherit (import <niveum/lib>) kieran;
-    in builtins.toJSON {
+    ".stack/config.yaml".source =
+    let inherit (import <niveum/lib>) kieran;
+    in (pkgs.formats.yaml {}).generate "config.yaml" {
       templates.params = {
         author-name = kieran.name;
         author-email = kieran.email;

configs/seafile.nix

@@ -0,0 +1,20 @@
+{ pkgs, config, ... }:
+{
+  services.xserver.displayManager.sessionCommands = "${pkgs.seafile-client}/bin/seafile-applet";
+
+  home-manager.users.me.xdg.configFile = {
+    "Seafile/Seafile Client.conf".source = (pkgs.formats.ini {}).generate "Seafile Client.conf" {
+      Behavior = {
+        hideDockIcon = false;
+        hideMainWindowWhenStarted = true;
+      };
+      Settings = {
+        computerName = config.networking.hostName;
+        lastShiburl = "https://box.hu-berlin.de";
+      };
+      UsedServerAddresses.main = "https://box.hu-berlin.de";
+    };
+  };
+
+  environment.systemPackages = [ pkgs.seafile-client pkgs.seafile-shared ];
+}

configs/urlwatch.nix

@@ -66,7 +66,7 @@ let
     }
   ];
 
-  configFile = pkgs.writeText "urlwatch.yaml" (builtins.toJSON {
+  configFile = (pkgs.formats.yaml {}).generate "urlwatch.yaml" {
     display = {
       error = true;
       new = true;
@@ -100,7 +100,7 @@ let
       #   chat_id = [ "18980945" ];
       # };
     };
-  });
+  };
   urlwatch = pkgs.urlwatch.overrideAttrs (attrs: {
     patches = [ <niveum/packages/urlwatch-insecure.patch> ];
   });

modules/default.nix

@@ -3,6 +3,5 @@
     ./constants.nix
     ./dropbox.nix
     ./retiolum.nix
-    ./seafile.nix
   ];
 }

modules/mpd-fm.nix

@@ -44,7 +44,7 @@ in {
 
     stationsFile = mkOption {
       type = types.path;
-      default = pkgs.writeText "stations.json" (builtins.toJSON cfg.stations);
+      default = (pkgs.formats.json {}).generate "stations.json" cfg.stations;
     };
 
     package = mkOption {

modules/seafile.nix

@@ -1,17 +0,0 @@
-{ pkgs, config, lib, ... }:
-with lib;
-let cfg = config.niveum.seafile;
-in {
-  options.niveum.seafile = { enable = mkEnableOption "Seafile"; };
-
-  config = mkIf cfg.enable {
-    systemd.user.services.seafile = {
-      description = "Seafile synchronisation service";
-      after = [ "network.target" ];
-      wantedBy = [ "default.target" ];
-      script = "${pkgs.seafile-client}/bin/seafile-applet";
-    };
-
-    environment.systemPackages = [ pkgs.seafile-client pkgs.seafile-shared ];
-  };
-}

overlays/toml.nix

@@ -1,7 +0,0 @@
-(self: super: {
-  writeTOML = object: super.runCommand "writeTOML" {} ''
-    echo '${builtins.toJSON object}' | ${super.remarshal}/bin/json2toml > $out
-  '';
-  toTOML = object: builtins.readFile (self.writeTOML object);
-  writeJSON = path: object: super.writeText path (builtins.toJSON object);
-})

packages/scripts/default.nix

@@ -94,6 +94,12 @@ in rec {
     name = "tag";
   };
 
+  meteo = wrapScript {
+    packages = [ pkgs.jq pkgs.curl pkgs.xdotool pkgs.sxiv pkgs.gnused ];
+    script = ./meteo.sh;
+    name = "meteo";
+  };
+
   booksplit = wrapScript {
     packages = [ pkgs.ffmpeg tag ];
     script = "${voidrice}/.local/bin/booksplit";

packages/scripts/meteo.sh

@@ -0,0 +1,76 @@
+#! /bin/sh
+# usage: meteo --list
+# usage: meteo --update
+# usage: meteo STATION
+set -efu
+
+# TODO XDG
+CONFIG_DIR=$HOME/.config/wetter
+STATIONS_FILE=$CONFIG_DIR/stations.json
+
+case ${1-} in
+  --list)
+    sed -n 's/^\s*\(--[^)]\+\))$/\1/p' "$0"
+    jq -r -n \
+    --slurpfile stations_file "$STATIONS_FILE" \
+    '
+      $stations_file[0] as $known_stations |
+
+      $known_stations | keys[]
+    '
+    exit
+  ;;
+  --update)
+    mkdir -p "$(dirname "$STATIONS_FILE")"
+    exec >"$STATIONS_FILE"
+
+    curl -fsS http://wetterstationen.meteomedia.de/ |
+    jq -Rrs '
+      def decodeHTML:
+        gsub("ä";"ä") |
+        gsub("ö";"ö") |
+        gsub("ü";"ü") |
+        gsub("Ä";"Ä") |
+        gsub("Ö";"Ö") |
+        gsub("Ü";"Ü") |
+        gsub("ß";"ß")
+        ;
+      [
+        match(".*<option value=\"/\\?map=Deutschland&station=(?<station>[0-9]+)\">(?<name>[^<]+)</option>";"g")
+        .captures |
+        map({"\(.name)":(.string)}) |
+        add |
+        {"\(.name|decodeHTML)":(.station|tonumber)}
+      ] |
+      add
+    '
+    exit
+  ;;
+esac
+
+# set -x
+
+station=${1-103840}
+station=$(jq -e -n \
+--arg station "$station" \
+--slurpfile stations_file "$STATIONS_FILE" \
+'
+  $stations_file[0] as $known_stations |
+
+  $station |
+  if test("^[0-9]+$") then
+    tonumber
+  else
+    $known_stations[.]
+  end
+')
+cache="/tmp/${LOGNAME}_wetter_$station.png"
+curl -sS \
+    "http://wetterstationen.meteomedia.de/messnetz/vorhersagegrafik/$station.png" \
+    -o "$cache"
+
+if window_id=$(xdotool search --name "^sxiv - $cache$"); then
+  xdotool key --window "$window_id" r
+else
+  sxiv "$cache" &
+fi